FAW J6P Suspended: Deconstructing 14 Critical Parts for Flawless Vibration Isolation

This is a complete technical deconstruction of the FAW J6P Suspended system (Chapter 39). This is *not* the vehicle’s main suspension (Chapter 50), but the “Vibration Isolation Logic” system for the Charge Air Cooler (CAC) on the FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck. Its sole purpose is to “suspend” the ‘Intercooler assy’ (Comp 1), protecting the “soft” aluminum core from “fatigue failure.”

The “Differential Movement Logic” is the problem this FAW J6P Suspended system solves. The “engine” (which twists on its mounts) and the “chassis” (which flexes over terrain) move *independently*. Bolting the rigid ‘Intercooler’ (Comp 1) to both would “tear” it apart in days.

The FAW J6P Suspended system is the “Flexible Coupling Logic” that “bridges the gap.” It uses “corrugated” (bellows-style) hoses (Comp 3, 12) and “high-temp” silicone hoses (Comp 7) to “absorb” this “differential movement.” A failure in this system—a loose clamp or a cracked hose—means a “boost leak,” a catastrophic loss of power, and potential engine damage.

This guide is essential for all chassis technicians. We will deconstruct all 14 components, analyzing the “Flexible Coupling Logic” (the corrugated hoses), the “Vulnerable Asset” (the intercooler itself), the “Boost-Proof Sealing Logic” (the heavy-duty clamps), and the “Physical Protection Logic” (the ‘Guard net assy’ that “suspends” in front of the core).

Core 1: The “Flexible Coupling” Logic (Components 3, 7, 12)

This group represents the “heart” of the FAW J6P Suspended system. These are the “flexible joints” that absorb the vibration.

1. Component: ‘Inlet/Outlet corrugated connecting hose assy’ (1119050-50A, 1119060-50A)
These (Comp 3, 12) are the “Vibration Isolation Logic” components. They are engineered as “corrugated” (bellows-style) couplers. Their “logic” is to “flex” in multiple axes.

This “Differential Movement Logic” is key. The “engine” (which “twists” under torque) and the “chassis” (which “flexes” over rough terrain) are “de-coupled.” These hoses are the “flexible bridge” that allows the engine and chassis to “move independently” without “stressing” the rigid intercooler.

2. Component: ‘Turbocharger outlet hose’ (1119057A263)
This (Comp 7) is the “High-Temp Flexible Logic.” It connects the “hot” (150°C+) turbocharger outlet to the ‘Inlet corrugated hose’ (Comp 3).

This hose is a critical part of the FAW J6P Suspended “train.” It must be (A) “flexible” to absorb the high-frequency “vibration” of the engine, and (B) made of “reinforced silicone” to withstand the “dual attack” of extreme heat and “oil mist” (from the turbo) that would “dissolve” a standard rubber hose.

Core 2: The “Suspended Asset” Logic (Component 1)

This is the “vulnerable asset” that the entire FAW J6P Suspended system is engineered to protect.

1. Component: ‘Intercooler assy’ (1119010-70U)
This (Comp 1) is the “Charge Air Cooler” (CAC). Its “logic” is to “cool” the hot turbo air to create “dense” (oxygen-rich) air for the engine.

Its “Vulnerability Logic” is its *construction*. It is made of “thin-walled aluminum” tubes and “plastic” or “aluminum” end-tanks. This material is “soft” and “brittle” against “fatigue.” The “chassis flex” and “engine vibration” of a dump truck are “fatigue forces.”

The FAW J6P Suspended system (the flexible hoses, Comp 3, 7, 12) “isolates” this “vulnerable asset” (Comp 1) from these “fatigue forces.” The intercooler is “mounted” to the (relatively stable) ‘Radiator assy’ (Chapter 37), and the “hoses” are what “bridge the gap” to the “vibrating” engine.

A “Failure Logic” here is a “cracked end-tank” or “cracked core” from vibration. This “boost leak” (hissing, loss of power, black smoke) is a “symptom” of a “failed” FAW J6P Suspended system (e.g., a “bottomed-out” engine mount that transfers, rather than absorbs, vibration).

Core 3: The “Boost-Proof Sealing” Logic (Clamps & Gaskets)

A “suspended” system is useless if it leaks. This “Smallest Serviceable Unit” (SSU) group is the “Sealing Logic” for the FAW J6P Suspended assembly.

1. Component: ‘Heavy duty hose clamp’ (T67610006A, T6767606A)
These six (6) clamps (Comp 2, 6) are the “Boost-Proof Logic.” The FAW J6P Suspended hoses (Comp 3, 7, 12) must handle 30+ PSI of “boost pressure,” which is “trying” to “blow them off” the pipes.

A standard “worm-gear” clamp would “strip” or “vibrate loose.” These “T-Bolt” (or “Heavy Duty”) clamps provide a “360-degree, high-torque” “clamping force.” This “locks” the “flexible” hose to the “rigid” pipe (Comp 4, 9), creating a “seal” that is “flexible” (to absorb vibration) but “leak-proof” (to hold boost).

2. Component: ‘Inlet pipe gasket’ (1119064-50A)
This (Comp 8) is the “Final Seal Logic.” It “seals” the ‘Engine inlet pipe’ (Comp 9) to the engine’s intake manifold. It is the “final link” in the FAW J6P Suspended “chain.” It must “compress” to form a seal, but be “durable” enough to “withstand” the high-frequency “vibration” of the engine itself.

Core 4: The “Protection & Anchoring” Logic (Guard & Fasteners)

This final group “anchors” the rigid parts of the FAW J6P Suspended system and “protects” the “vulnerable asset.”

1. Component: ‘Guard net assy’ (1310010A50AJ)
This (Comp 14) is the “Physical Protection Logic.” The ‘Intercooler assy’ (Comp 1) is “soft” and “delicate.” It is “suspended” at the front of the truck, “exposed” to road debris.

This ‘Guard net’ is a “sacrificial” screen. It is “bolted” (Comp 13) in front of the ‘Intercooler’ (Comp 1). Its “logic” is to “absorb the impact” of “rocks, bugs, and debris,” “sacrificing” itself to “protect” the expensive, “suspended” asset behind it. A “punctured” intercooler is an “instant failure” of the whole system.

2. The “Rigid” Plumbing & Fasteners (Comp 4, 5, 9, 10, 11, 13)
This is the “Anchoring Logic.” The ‘Intercooler inlet pipe’ (1119031-14B) and ‘Engine inlet pipe’ (1119062-14B) are the “rigid” pipes that are “anchored” to the chassis/engine.

The ‘Hexagon flange bolts’ (Comp 5, 10), ‘Connecting bolts’ (Comp 11), and ‘Combination bolts’ (Comp 13) are the “Vibration-Proof Fastener Logic.” These “flanged” (self-locking) bolts “secure” these rigid pipes and the ‘Guard net’ (Comp 14) to the chassis, ensuring they *never* “rattle loose.” This “rigid anchoring” is what “forces” the “flexible” FAW J6P Suspended hoses (Comp 3, 12) to do their job of “absorbing” the vibration.

FAW J6P Suspended (Intercooler) Parts List

The following table provides the complete, detailed breakdown of all 14 component types in the FAW J6P Suspended (Charge Air Cooler) assembly (Chapter 39) for the FAW Jiefang CA3250P66K2L1T1E 6×4 dump truck.

Core Specifications

The specifications for the FAW J6P Suspended system are defined by its function as the vibration isolation coupling for the Charge Air Cooler.